A stainless steel flange for vacuum sealing

Abstract

The utility model belongs to the technical field of stainless steel flanges, and is particularly a stainless steel flange for vacuum sealing, wherein a connection hole is provided on the surface of the flange body, a buffer assembly is movably connected to the surface of the flange body, a sealing assembly is movably connected to the bottom end of the flange body, a slide groove is provided on the inner wall of the flange body, a slider is slidably connected inside the slide groove, a vacuum chamber is fixedly connected to one side of the slider, a connecting flange is fixedly connected to the bottom end of the vacuum chamber, and a sealing ring is installed and connected to the bottom end of the connecting flange. The utility model ensures the sealing performance of the device through a sealing ring and a positive cavity, and then by loosening the bolts, the bolts are disengaged from the threaded grooves, and the connecting flange can be pulled at this time, and the vacuum chamber separates the connecting flange as a whole from the inner wall of the flange body through the slide groove, ensuring that the sealing device and the flange body can be quickly disassembled, facilitating the device to maintain the sealing structure, ensuring the practicality of the device, and at the same time, a buffer assembly is provided to ensure the stability of the pipe end connection.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel flanges, in particular to a stainless steel flange for vacuum sealing. Background Art

[0002] Flange, also known as flange flange or flange. Flange is a part that connects shafts to each other and is used to connect pipe ends. It is also used as a flange on the inlet and outlet of equipment to connect two devices. Pipe flanges are divided into the following six basic types according to the connection method with the pipe: flat welding flange, butt welding flange, socket welding flange, loose flange, threaded flange and integral flange. In the process of conveying media, vacuum sealing technology is often used, and stainless steel flanges are also required for connection in the vacuum sealing process.

[0003] The prior art has the following problems:

[0004] 1. The sealing ring of the traditional stainless steel flange structure is generally an integrated structure with the flange body. If the sealing ring is damaged, the device needs to be replaced as a whole, resulting in the practicability of the device cannot be guaranteed.

[0005] 2. The surface of the flange body of the traditional stainless steel flange structure is easily damaged after the pipe ends are connected. At the same time, the flange body is easily affected by external impact after installation, which makes the connection at the pipe end unstable, affecting the sealing effect of the device. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a stainless steel flange for vacuum sealing, which solves the problems raised in the background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A stainless steel flange for vacuum sealing comprises a flange body, a connection hole is provided on the surface of the flange body, a buffer assembly is movably connected to the surface of the flange body, and a sealing assembly is movably connected to the bottom end of the flange body, and is characterized in that a slide groove is provided on the inner wall of the flange body, a slider is slidably connected to the inside of the slide groove, a vacuum chamber is fixedly connected to one side of the slider, a connecting flange is fixedly connected to the bottom end of the vacuum chamber, and a sealing ring is installed and connected to the bottom end of the connecting flange.

[0009] Preferably, the buffer assembly includes a connecting bolt, a limiting groove, a connecting spring and a threaded groove. The flange body is provided with a limiting groove inside, the limiting groove is slidably connected to the inside of the connecting bolt, the surface of the connecting bolt is sleeved with a connecting spring, and the bottom end of the connecting bolt is threadedly connected to a threaded groove located inside the connecting flange.

[0010] Preferably, the connection bolt, the limiting groove and the connection spring are located on the same vertical line, the diameter of the limiting groove is larger than the diameter of the connection spring, and the diameter of the connection spring is larger than the diameter of the connection bolt.

[0011] Preferably, the number of the connecting bolts is three groups, the positions of the connecting bolts are on the same center of a circle, and the connecting bolts are distributed at equal angles on the surface of the flange body.

[0012] Preferably, the size of the slider is matched with the size of the slide groove, and the vacuum chamber is slidably connected to the inner wall of the flange body through the slider.

[0013] Preferably, the number of the connection holes is eight groups, and the length of the connection holes is such as to pass through the flange body and the connecting flange.

[0014] Preferably, the number of the thread grooves is four groups, the positions of the thread grooves are on the same center of a circle, and the thread grooves are equidistantly distributed on the surface of the connecting flange.

[0015] Compared with the prior art, the utility model provides a stainless steel flange for vacuum sealing, which has the following beneficial effects:

[0016] 1. This kind of stainless steel flange for vacuum sealing ensures the sealing of the device through the sealing ring and the positive cavity. Then, by loosening the bolts, the bolts are out of the thread groove. At this time, the connecting flange can be pulled, and the vacuum cavity makes the connecting flange separate from the inner wall of the flange body through the sliding groove, which ensures that the sealing device and the flange body can be quickly disassembled, which is convenient for the device to maintain the sealing structure and ensures the practicality of the device.

[0017] 2. This stainless steel flange for vacuum sealing is fixed to the pipe end by connecting the flange. The connecting flange is subjected to pressure to push the connecting bolt to squeeze the connecting spring in the limit groove. At the same time, the connecting spring rebounds under the force to make the flange body and the connecting flange firmly connected, thereby ensuring the stability of the installation of the flange and the pipe end. At the same time, the flange body does not contact the pipe end to ensure the service life of the device. The connecting spring is used to buffer the external impact force, thereby ensuring the stability of the pipe end connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the connecting bolt and the vacuum chamber of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the connecting flange and the sealing ring of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the slider and the slideway of the utility model;

[0022] Figure 5 It is a schematic diagram of the flange body and connecting hole structure of the utility model.

[0023] In the figure: 1. flange body; 11. connecting hole; 2. buffer assembly; 21. connecting bolt; 22. limit groove; 23. connecting spring; 24. threaded groove; 3. sealing assembly; 31. connecting flange; 32. vacuum chamber; 33. sealing ring; 34. slider; 35. slide groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 In this embodiment: a stainless steel flange for vacuum sealing includes a flange body 1, a connection hole 11 is provided on the surface of the flange body 1, a buffer assembly 2 is movably connected to the surface of the flange body 1, a sealing assembly 3 is movably connected to the bottom end of the flange body 1, a slide groove 35 is provided on the inner wall of the flange body 1, a slider 34 is slidably connected inside the slide groove 35, a vacuum chamber 32 is fixedly connected to one side of the slider 34, a connecting flange 31 is fixedly connected to the bottom end of the vacuum chamber 32, and a sealing ring 33 is installed and connected to the bottom end of the connecting flange 31. By setting the sealing assembly 3, it is ensured that the sealing device and the flange body 1 can be quickly disassembled, which is convenient for the device to maintain the sealing structure.

[0026] In this embodiment, the buffer assembly 2 includes a connecting bolt 21, a limiting groove 22, a connecting spring 23 and a thread groove 24. The flange body 1 is provided with a limiting groove 22 inside, the connecting bolt 21 is slidably connected inside the limiting groove 22, the surface of the connecting bolt 21 is sleeved with the connecting spring 23, and the bottom end of the connecting bolt 21 is threadedly connected to the thread groove 24 located inside the connecting flange 31. By providing the buffer assembly 2, the stability of the pipe end connection is ensured.

[0027] The connection bolt 21, the limiting groove 22 and the connection spring 23 are located on the same vertical line, the diameter of the limiting groove 22 is larger than the diameter of the connection spring 23, and the diameter of the connection spring 23 is larger than the diameter of the connection bolt 21. It is ensured that the impact on the pipe end connection can be buffered and stabilized by the connection spring 23 in the limiting groove 22, thereby ensuring the stability of the flange body 1 after installation.

[0028] The number of the connecting bolts 21 is three groups, the positions of the connecting bolts 21 are on the same center of a circle, and the connecting bolts 21 are distributed at equal angles on the surface of the flange body 1, thereby ensuring the stability of the connecting flange installation.

[0029] The size of the slider 34 matches the size of the slide groove 35, and the vacuum chamber 32 is slidably connected to the inner wall of the flange body 1 through the slider 34, thereby ensuring the normal disassembly and assembly of the vacuum chamber 32.

[0030] The number of the connecting holes 11 is eight, and the connecting holes 11 are provided with a length that penetrates the flange body 1 and the connecting flange plate 31, thereby ensuring the normal operation of the flange body 1.

[0031] The number of the thread grooves 24 is four groups, the positions of the thread grooves 24 are on the same center of a circle, and the thread grooves 24 are distributed at equal distances on the surface of the connecting flange 31, thereby ensuring the continuity of the structure between the devices.

[0032] The working principle and use process of the utility model: the utility model is a stainless steel flange for vacuum sealing. When the sealing structure is damaged and needs maintenance during use, the sealing ring 33 and the vacuum chamber 32 are used to ensure the sealing performance of the device. Then, by loosening the connecting bolt 21, the connecting bolt 21 is disengaged from the thread groove 24. At this time, the connecting flange 31 can be pulled, and the vacuum chamber 32 causes the connecting flange 31 to be separated from the inner wall of the flange body 1 as a whole through the slide groove 35, ensuring that the sealing device and the flange body 1 can be quickly disassembled, which is convenient for the device to maintain the sealing structure and ensure the practicality of the device. At the same time, when the pipe end needs to be connected, the connecting flange 31 is fixed to the pipe end. The connecting flange 31 is subjected to pressure to push the connecting bolt 21 to squeeze the connecting spring 23 in the limiting groove 22. At the same time, the connecting spring 23 is forced to rebound so that the flange body 1 and the connecting flange 31 are firmly connected, ensuring the stability of the installation of the flange and the pipe end. At the same time, the flange body 1 does not contact the pipe end to ensure the service life of the device. Then, the external impact force is buffered by the connecting spring 23 to ensure the stability of the pipe end connection.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stainless steel flange for vacuum sealing, comprising a flange body (1), a connection hole (11) being provided on the surface of the flange body (1), a buffer component (2) being movably connected to the surface of the flange body (1), and a sealing component (3) being movably connected to the bottom end of the flange body (1), characterized in that: The inner wall of the flange body (1) is provided with a slide groove (35), the interior of the slide groove (35) is slidably connected with a slider (34), one side of the slider (34) is fixedly connected with a vacuum chamber (32), the bottom end of the vacuum chamber (32) is fixedly connected with a connecting flange (31), and the bottom end of the connecting flange (31) is installed with a sealing ring (33).

2. The vacuum sealing stainless steel flange according to claim 1, characterized in that: The buffer assembly (2) comprises a connecting bolt (21), a limiting groove (22), a connecting spring (23) and a threaded groove (24); the flange body (1) is provided with a limiting groove (22) inside; the limiting groove (22) is slidably connected to the connecting bolt (21) inside; the connecting spring (23) is sleeved on the surface of the connecting bolt (21); the bottom end of the connecting bolt (21) is threadedly connected to the threaded groove (24) located inside the connecting flange (31).

3. The vacuum sealing stainless steel flange according to claim 2, characterized in that: The connection bolt (21), the limiting groove (22) and the connection spring (23) are located on the same vertical line; the diameter of the limiting groove (22) is greater than the diameter of the connection spring (23); and the diameter of the connection spring (23) is greater than the diameter of the connection bolt (21).

4. The vacuum sealing stainless steel flange according to claim 2, characterized in that: The number of the connecting bolts (21) is three groups, the positions of the connecting bolts (21) are all located on the same center of a circle, and the connecting bolts (21) are distributed at equal angles on the surface of the flange body (1).

5. The vacuum sealing stainless steel flange according to claim 1, characterized in that: The size of the sliding block (34) matches the size of the sliding groove (35), and the vacuum chamber (32) is slidably connected to the inner wall of the flange body (1) via the sliding block (34).

6. The vacuum sealing stainless steel flange according to claim 1, characterized in that: The number of the connection holes (11) is eight groups, and the length of the connection holes (11) is such that it passes through the flange body (1) and the connection flange plate (31).

7. The vacuum sealing stainless steel flange according to claim 1, characterized in that: as stated; The number of the thread grooves (24) is four groups, the positions of the thread grooves (24) are located on the same center of a circle, and the thread grooves (24) are distributed at equal distances on the surface of the connecting flange (31).

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